To customers: life is full of surprises. Package Includes: 1 x Ice Collar Item Name: Ice Collar Material: TPU Features: Low Temperature Resistant, Heat Dissipation, Not Easily Melt Size Details: L: 18cm, W: 15cm Specifications: This ice collar keeps you safe from heatstroke in summer by physically cooling you down. It has an ergonomic design that allows you to wear it comfortably and without constrictions. This fridge-safe ice collar freezes at 28 degrees Celsius and maintains that temperature as it melts in order to keep you cool in the hottest of conditions. This ice collar is constructed of tpu material. The length of this ice collar is 18cm and width is 15cm. This ice collar is suitable for home, living room, bedroom, dormitory, school, outdoor, travel, gifts. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Usage: Simply place the neck ring in the fridge or freezer for 20-30 minutes. Once cooled, remove and place around the neck. Use multiple neck rings to extend the cooling time. Wefor excellence. And hope you have a nice day!